February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 6 » Bayer registers "Aspirin" as a trademark.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
Day of marriage January 30, 1935
The temperature on January 30, 1935 was between -4.1 °C and 1.9 °C and averaged -0.2 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 1 » India's central banking institution, The Reserve Bank of India, is formed.
May 6 » New Deal: Under the authority of the newly-enacted Federal Emergency Relief Administration, President Franklin D. Roosevelt issues Executive Order 7034 to create the Works Progress Administration.
May 31 » A 7.7 Mw earthquake destroys Quetta in modern-day Pakistan killing 40,000.
June 11 » Inventor Edwin Armstrong gives the first public demonstration of FM broadcasting in the United States at Alpine, New Jersey.
September 15 » Nazi Germany adopts a new national flag bearing the swastika.
December 30 » The Italian Air Force bombs a Swedish Red Cross hospital during the Second Italo-Abyssinian War.
When copying data from this family tree, please include a reference to the origin: Jo Consten, "Family tree Consten Koolen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-consten-koolen/I588.php : accessed March 1, 2026), "Maria Catharina Consten (1899-????)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.